/Engine/Plugins/Experimental/Web/WebAPI/Source/WebAPIEditor/Public/Dom/WebAPIType.h
Get the fully formatted name as a valid member name. Optionally provide a prefix for invalid member names (ie. that start with a number).
[FString](API\Runtime\Core\Containers\FString) ToMemberName ( const [FString](API\Runtime\Core\Containers\FString) & InPrefix ) const